habanalabs/gaudi: move mmu_prepare to context init

Currently mmu_prepare is located at context switch.
Since we support a single context, no reason to reconfigure
the MMU registers every context switch.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

drivers/misc/habanalabs/gaudi/gaudi.c

@@ -4500,8 +4500,6 @@ static int gaudi_context_switch(struct hl_device *hdev, u32 asid)
 		return rc;
 	}
 
-	gaudi_mmu_prepare(hdev, asid);
-
 	gaudi_restore_user_registers(hdev);
 
 	return 0;
@@ -6353,6 +6351,8 @@ static enum hl_device_hw_state gaudi_get_hw_state(struct hl_device *hdev)
 
 static int gaudi_ctx_init(struct hl_ctx *ctx)
 {
+	gaudi_mmu_prepare(ctx->hdev, ctx->asid);
+
 	return 0;
 }